CAJ | 학술논문

综述了涡轮发动机钛合金叶片榫头微动疲劳失效的两种试验方法（轴向微动疲劳试验和榫型微动疲劳试验）的研究现状。轴向微动疲劳试验技术适用于微动疲劳失效机理的研究，应用于抗微动疲劳防护层试验验证的研究也较多；而榫型微动疲劳试验技术则多用于力学分析和模型建立等方面。榫头微动疲劳问题的研究还远未完善，应综合运用微动磨损、轴向微动疲劳和榫型微动疲劳等技术，并配合有限元分析手段，开展微动疲劳机理、多因素影响及防护层作用等方面的系统研究。
종술료와륜발동궤태합금협편순두미동피로실효적량충시험방법（축향미동피로시험화순형미동피로시험）적연구현상。축향미동피로시험기술괄용우미동피로실효궤리적연구，응용우항미동피로방호층시험험증적연구야교다；이순형미동피로시험기술칙다용우역학분석화모형건립등방면。순두미동피로문제적연구환원미완선，응종합운용미동마손、축향미동피로화순형미동피로등기술，병배합유한원분석수단，개전미동피로궤리、다인소영향급방호층작용등방면적계통연구。
This paper introduces two approaches to research the titanium alloy blade-disk dovetail fretting fatigue failure of turbine engine: the axial and dovetail fretting fatigue tests .The former is mainly used to study the failure mechanisms and the fretting resistance of protective layer .The latter is used to do mechanical analysis and numerical simulation .Integrated use of fretting wear , axial and dovetail fretting fatigue test and finite element analysis method to do the system research of fretting fatigue mechanism , factors and the property of protective layers is the key to complete the complex fretting fatigue failure research of the blade-disk in aeroengine turbine .